There are total 13 hours or 780 minutes from 7am to 8pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 10PM to 9PM | 4PM to 2AM | 11PM to 4AM |
| 7AM to 11AM | 2AM to 8PM | 2PM to 11AM |
| 5AM to 3PM | 8AM to 6PM | 10PM to 5PM |
| 9AM to 5PM | 8AM to 3AM | 10AM to 5PM |
| 11AM to 2PM | 3AM to 5AM | 4AM to 5PM |
| 5PM to 9AM | 3AM to 6PM | 8AM to 2AM |